5G 抓包

5G E2E组网，通常有专业的UE抓包工具，能够清新的显示，各种信令和其他的各种信息。 

但是这种专业的抓包工具，都不免费。 

这里总结一下， TCPDUMP/Wirshark抓包的过程。 

1. UPF抓包

这里有一个GTP-U抓包实例（ping 包）： https://www.cloudshark.org/captures/374cf36574b6

 

 Ping request

Ping reply

 2. eCPRI

Enabling Interoperability & Adherence to O-RAN Fronthaul Interface  （介绍的比较详细）

 

 

 

 

 

 

L1

Improving the process of debugging communication patterns in 5G Layer 1

 

 

 

 

 

 

5G_AKA协议

基于free5gc+UERANSIM 5G模拟环境的5G_AKA协议解析

REF：

guide for Wireshark ：  

Wireshark 101: Getting around (step-by-step)  

Using Wireshark™ to View Protocol Data Units   

Chapter 7. Advanced Topics -Prev  7.8. Packet Reassembly 

TCP PDU Time

wireshark Display Filter Reference

GPRS Tunneling Protocol

F1 Application Protocol  

NR Radio Resource Control (RRC) protocol  

evolved Common Public Radio Interface (eCPRI) 

 

 

wireshark SampleCaptures  

https://wiki.wireshark.org/SampleCaptures   

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